FI981798A - Method and apparatus for pretreating paper pulp - Google Patents

Method and apparatus for pretreating paper pulp Download PDF

Info

Publication number
FI981798A
FI981798A FI981798A FI981798A FI981798A FI 981798 A FI981798 A FI 981798A FI 981798 A FI981798 A FI 981798A FI 981798 A FI981798 A FI 981798A FI 981798 A FI981798 A FI 981798A
Authority
FI
Finland
Prior art keywords
paper pulp
pretreating
pretreating paper
paper
pump
Prior art date
Application number
FI981798A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI981798A0 (en
FI105489B (en
Inventor
Jouni Matula
Original Assignee
Ahlstrom Machinery Oy
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ahlstrom Machinery Oy filed Critical Ahlstrom Machinery Oy
Publication of FI981798A0 publication Critical patent/FI981798A0/en
Priority to FI981798A priority Critical patent/FI105489B/en
Priority to BRPI9913176-5A priority patent/BR9913176B1/en
Priority to JP2000566506A priority patent/JP2002523642A/en
Priority to AU53749/99A priority patent/AU5374999A/en
Priority to KR1020017002243A priority patent/KR20010072847A/en
Priority to EP99939465A priority patent/EP1121483B1/en
Priority to CNB99809921XA priority patent/CN1134567C/en
Priority to PCT/FI1999/000684 priority patent/WO2000011265A1/en
Priority to ES99939465T priority patent/ES2214877T3/en
Priority to AT99939465T priority patent/ATE260357T1/en
Priority to CA002340438A priority patent/CA2340438C/en
Priority to DE69915089T priority patent/DE69915089T2/en
Publication of FI981798A publication Critical patent/FI981798A/en
Application granted granted Critical
Publication of FI105489B publication Critical patent/FI105489B/en

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
    • D21D5/00—Purification of the pulp suspension by mechanical means; Apparatus therefor
    • D21D5/26—De-aeration of paper stock
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F1/00—Wet end of machines for making continuous webs of paper
    • D21F1/66—Pulp catching, de-watering, or recovering; Re-use of pulp-water

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)
  • Preliminary Treatment Of Fibers (AREA)

Abstract

The present invention relates to a method and apparatus for pretreating paper pulp. The method and apparatus according to the invention are especially preferably applicable to be used in the paper machine approach system of paper machines producing filler-containing grades. A characterizing feature of the method and apparatus according to the invention is that a propeller pump is used as the gas separation tank (16) feed pump (120).
FI981798A 1998-08-21 1998-08-21 Method and apparatus for pretreating paper pulp FI105489B (en)

Priority Applications (12)

Application Number Priority Date Filing Date Title
FI981798A FI105489B (en) 1998-08-21 1998-08-21 Method and apparatus for pretreating paper pulp
CNB99809921XA CN1134567C (en) 1998-08-21 1999-08-18 Method and apparatus for pretreating paper pulp
ES99939465T ES2214877T3 (en) 1998-08-21 1999-08-18 PROCEDURE AND APPARATUS FOR PRIOR PAPER PULP TREATMENT.
AU53749/99A AU5374999A (en) 1998-08-21 1999-08-18 Method and apparatus for pretreating paper pulp
KR1020017002243A KR20010072847A (en) 1998-08-21 1999-08-18 Method and apparatus for pretreating paper pulp
EP99939465A EP1121483B1 (en) 1998-08-21 1999-08-18 Method and apparatus for pretreating paper pulp
BRPI9913176-5A BR9913176B1 (en) 1998-08-21 1999-08-18 paper pulp pretreatment process and apparatus.
PCT/FI1999/000684 WO2000011265A1 (en) 1998-08-21 1999-08-18 Method and apparatus for pretreating paper pulp
JP2000566506A JP2002523642A (en) 1998-08-21 1999-08-18 Method and apparatus for pretreating paper pulp
AT99939465T ATE260357T1 (en) 1998-08-21 1999-08-18 METHOD AND DEVICE FOR PRETREATING PAPER FIBER
CA002340438A CA2340438C (en) 1998-08-21 1999-08-18 Method and apparatus for pretreating paper pulp
DE69915089T DE69915089T2 (en) 1998-08-21 1999-08-18 METHOD AND DEVICE FOR PRE-TREATING PAPER FIBER FIBER

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI981798 1998-08-21
FI981798A FI105489B (en) 1998-08-21 1998-08-21 Method and apparatus for pretreating paper pulp

Publications (3)

Publication Number Publication Date
FI981798A0 FI981798A0 (en) 1998-08-21
FI981798A true FI981798A (en) 2000-02-22
FI105489B FI105489B (en) 2000-08-31

Family

ID=8552339

Family Applications (1)

Application Number Title Priority Date Filing Date
FI981798A FI105489B (en) 1998-08-21 1998-08-21 Method and apparatus for pretreating paper pulp

Country Status (12)

Country Link
EP (1) EP1121483B1 (en)
JP (1) JP2002523642A (en)
KR (1) KR20010072847A (en)
CN (1) CN1134567C (en)
AT (1) ATE260357T1 (en)
AU (1) AU5374999A (en)
BR (1) BR9913176B1 (en)
CA (1) CA2340438C (en)
DE (1) DE69915089T2 (en)
ES (1) ES2214877T3 (en)
FI (1) FI105489B (en)
WO (1) WO2000011265A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI122916B (en) * 2007-04-03 2012-08-31 Andritz Oy Device for degassing in connection with a paper machine or the like
DE102009006715A1 (en) * 2009-01-29 2010-08-05 Voith Patent Gmbh broke preparation

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4219340A (en) * 1978-12-14 1980-08-26 Clark & Vicario Corporation Method and apparatus for outflowing liquids from chamber maintained under vacuum
FI89728C (en) * 1992-05-19 1993-11-10 Pom Dev Oy Ab PROCEDURE FOR THE CIRCULATION OF PROCESS VATTNET I EN PAPER MACHINERY
FI97332B (en) * 1993-12-23 1996-08-30 Pom Technology Oy Ab Apparatus and method for pumping and separating a mixture of gas and liquid

Also Published As

Publication number Publication date
ES2214877T3 (en) 2004-09-16
DE69915089T2 (en) 2004-09-09
AU5374999A (en) 2000-03-14
DE69915089D1 (en) 2004-04-01
CA2340438C (en) 2008-01-15
JP2002523642A (en) 2002-07-30
CN1134567C (en) 2004-01-14
CN1313917A (en) 2001-09-19
BR9913176B1 (en) 2009-05-05
BR9913176A (en) 2001-05-15
FI981798A0 (en) 1998-08-21
EP1121483B1 (en) 2004-02-25
KR20010072847A (en) 2001-07-31
CA2340438A1 (en) 2000-03-02
FI105489B (en) 2000-08-31
ATE260357T1 (en) 2004-03-15
WO2000011265A1 (en) 2000-03-02
EP1121483A1 (en) 2001-08-08

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